Mamquam River above Ring Creek
Water level and flow at gauge 08GA075, British Columbia. The flow is well below normal for October (26% of the median). In the last 24 hours it has been steady.
Latest reading Oct 25, 6 AM local standard time (about an hour ago) · data checked · we check every 30 minutes
Compared with a normal October
Normal for October (middle half of 31 years of monthly averages): 16.2 m³/s574 cfs – 25.3 m³/s893 cfs, median 20.2 m³/s713 cfs. Right now it is at 26% of the median.
November 23, 1990 · approved records 1990–2025 (HYDAT). Right now the flow is 1% of that record.
88% lower than on October 25, 2025 (45.9 m³/s1,621 cfs)
approved daily mean (HYDAT)
Last 30 days
Hourly readings · shaded: normal range for this month
This year compared with past years
Daily flow
Normal range: monthly averages of 32 years (lighter band: 10th–90th percentile). Past years: approved daily means from HYDAT, the Water Survey of Canada archive (the latest year published is 2025). 2026: daily means of the provisional real-time readings collected by Canada River Levels since October 22, 2026.
Weather near this gauge
Periods of rain. Wind north 30 km/h gusting to 50 except 70 gusting to 90 over southern sections this morning. High 10.
Cloudy. 40 percent chance of showers early this evening. Wind north 20 km/h gusting to 40 except 50 gusting to 70 over southern sections. Low plus 5.
Clearing. Wind light except north 40 km/h over southern sections in the morning. Wind becoming south 20 km/h in the afternoon. High 12. UV index 1 or low.
Cloudy with 60 percent chance of showers. Low 6.
Forecast for Squamish (4 km away) from Environment and Climate Change Canada, issued . Full official forecast ↗ · we check for new forecasts every 2 hours.
Nearby gauges
| Stawamus RiverHighway No. 99 · 5 km | 1.64 m5.36 ft | Very low |
| Squamish RiverBrackendale · 11 km | 1.82 m5.96 ft | Very low |
| Cheakamus RiverBrackendale · 11 km | 0.80 m2.63 ft | Normal |
| Clowhom RiverClowhom Lake · 24 km | 2.63 m8.62 ft | Very low |
| Seymour RiverBelow Orchid Creek · 24 km | 1.78 m5.83 ft | Very low |
| Seymour RiverAbove Lakehead · 27 km | 9.01 m29.57 ft | Very low |
About this gauge
Station: 08GA075 · Mamquam River Above Ring Creek
Location: 49.7260, -123.1021 · British Columbia
Water levels are measured from a local reference point at each gauge, not from sea level, so they cannot be compared between gauges.
Official sources
For flood warnings, advisories and approved data, always use these official services:
Questions
What is the water level of the Mamquam River above Ring Creek today?
The latest reading (Oct 25, 6 AM, local standard time) is 1.17 m (3.85 ft) with a flow of 5.33 m³/s (188 cfs).
Is the Mamquam River above Ring Creek high right now?
The flow is well below normal for October (26% of the median).
Is the Mamquam River rising or falling?
In the last 24 hours it has been steady.
What is the highest flow ever recorded on the Mamquam River above Ring Creek?
431 m³/s (15,221 cfs) on November 23, 1990, the highest instantaneous flow in the approved records of the Water Survey of Canada (1990–2025). Events after 2025 are not yet in the approved archive.
How does the Mamquam River above Ring Creek compare with a year ago?
The flow is 88% lower than on October 25, 2025 (45.9 m³/s (1,621 cfs), approved daily mean (HYDAT)).
Where does this data come from?
Gauge 08GA075 of the Water Survey of Canada (Environment and Climate Change Canada). Real-time data are provisional and may be revised. We check for new readings every 30 minutes. Canada River Levels is not an official source.